# SDR ASAA2018101726506

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2018
- Submitted: October 22, 2018
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 32,813 hours, 9,724 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 5416744
- Condition: Intermittent
- Location: Ram Air
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101726506

## Discrepancy

LEFT PACK LIGHT ILLUMINATED. EXTINGUISHES AFTER MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PZTC BITE FOUND FAULT RAM AIR ACT NR 1 PACK. REF FIM 21-62 TASK 837 FAULT CLEARED ON VERIFY RAM AIR ACTUATOR TEST PASSES REF AMM 21-51-21-740-001.

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